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Astronomy Without A Telescope

the e-book is now available:

  • The book is also now available through the iBooks app. Here is a quick guide to getting the book onto i-devices, such as an iPad.
  • This is the Amazon version for Kindle. It will also work on devices (e.g. iPads) with a Kindle app.
  • This is the .epub version which will work on other e-book devices without Kindle functionality.

Category Dear CA

362.1 Snippet_Entropic Gravity

Don’t fall for it.

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September 15, 2025 Posted in   Cosmology, Dear CA, Physics and astrophysics

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361.1 Snippet_Smart phone science

Pocket tricorder.

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August 25, 2025 Posted in   Dear CA, Physics and astrophysics, Science outreach

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361. Dear Cheap Astronomy – Episode 130

Still to come.

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August 18, 2025 Posted in   Aliens, Dear CA, Physics and astrophysics, Solar System

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360.1 Building a lunar colony 1of2

Building optimism.

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August 4, 2025 Posted in   Astronauts, Dear CA, Space economy, Space missions, Space technology

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360. Dear Cheap Astronomy – Episode 129

Rocks, big and small.

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July 28, 2025 Posted in   Asteroid mining, Dear CA, Planetary science, Space missions, Space technology

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